Plumbing & Backflow Prevention

Plumbing & Backflow Prevention

What is backflow?
Backflow is the undesirable reversal of the flow of water from its intended direction in any pipeline or plumbing system. Backflow is dangerous because it can allow drinking water in plumbing systems to become contaminated and unusable.

What is a backflow preventer?
Backflow preventers are mechanical plumbing devices installed in a plumbing system to prevent water from flowing backward in the system. A properly installed, tested and maintained backflow preventer at the service entrance to a building or property can reliably prevent the backflow of water of an unknown quality from flowing back into the community water system.

Is it really important to prevent backflow?
Absolutely. The Kentucky Division of Water requires all public water systems in the Commonwealth to operate an on-going program to protect the public water supply from contamination from possible cross connections. The most effective method for the water utility to meet this requirement is to require customers to install a backflow preventer on the main supply line to their property or facility, thus protecting the community water system from any cross connections that may be present inside a customer’s plumbing system. All water users benefit from an active, on-going cross connection control program that includes the installation of backflow preventers.

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